Google Authenticator

Gate.io

Gate.io: How to migrate and restore Google Authenticator data Two-step authentication for virtual currency exchanges

Most cryptocurrency exchanges now have two-factor authentication. This system has been introduced in Gate.io as well, and most users probably use Google Authenticator. However, you need a smartphone to use Google Authenticator, but if it breaks down or you change the model, you will not be able to use Google Authenticator. What should I do in such a case?
Bybit

Bybit: Virtual currency Two-step authentication setting with Bybit Explanation of how to install, restore and cancel Google Authenticator

At the cryptocurrency exchange Bybit, you can safely access the market and purchase BTC, NFT, and spot altcoins using Google Authenticator for two-step authentication. Two-step authentication refers to a second authentication used to verify your identity and approve the execution of services, separate from the ID and password authentication used when logging in. Doing this is a security measure.
MEXC

MEXC Global:Explaining how to restore Google Authenticator, change the model, and set up a backup

At MEXC Global, a cryptocurrency exchange, you can safely purchase BTC, ETH, NFT, DEFI, etc. at real-time prices. A security measure called two-factor authentication has been introduced, and most users should have adopted it. However, if you are using Google Authenticator, you may lose your authentication code due to something like losing your mobile phone. What should I do in a situation like this?